Results 41 to 50 of about 191,217 (315)

Combining LiDAR and Spaceborne Multispectral Data for Mapping Successional Forest Stages in Subtropical Forests

open access: yesRemote Sensing
The Brazilian Atlantic Rainforest presents great diversity of flora and stand structures, making it difficult for traditional forest inventories to collect reliable and recurrent information to classify forest succession stages.
Bill Herbert Ziegelmaier Neto   +5 more
doaj   +1 more source

What is a Planet?

open access: yesScientific American, 2006
A planet is an end product of disk accretion around a primary star or substar. I quantify this definition by the degree to which a body dominates the other masses that share its orbital zone. Theoretical and observational measures of dynamical dominance reveal a gap of four to five orders of magnitude separating the eight planets of our solar system ...
openaire   +3 more sources

Decreased cold‐sensing function of the transient receptor potential channel TRPM8 from tailed amphibians

open access: yesFEBS Open Bio, EarlyView.
Despite frogs avoiding low temperatures, examination of four salamander species revealed that none avoided cold and all possessed cold tolerance. Functional analysis of TRPM8, a cold sensor, showed that all salamander TRPM8s had lost their cold sensitivity.
Tadahiro Sawao   +3 more
wiley   +1 more source

A new climate for human nature? Navigating social theory through postnature, the anthropocene and posthumanism [PDF]

open access: yesFilozofija i Društvo
By examining debates on the Anthropocene era ignited by new materialist and posthumanist scholarship, this paper aims to discern how these perspectives can reframe the human-nature nexus.
Janković Stefan
doaj   +1 more source

Changes in a scientific concept: what is a planet? [PDF]

open access: yes, 2007
The need for an explicit and exact definition of a planet has arise out of the growing rate of discovery of Trans-Neptunian Objects (TNOs) with physical and orbital properties comparable with those of Pluto, the smallest planet of the solar system.
Murzi, Mauro
core  

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

open access: yesFEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová   +2 more
wiley   +1 more source

The hydrogen Lyman α line shape in the exospheres of terrestrial objects in the solar system

open access: yesFrontiers in Astronomy and Space Sciences
The exospheres of all objects are mostly made of atomic hydrogen. Because the Sun is bright in Lyman α, the properties of the H atoms in the exospheres of certain terrestrial solar system objects can be studied by analyzing the resonantly scattered solar
Dolon Bhattacharyya   +8 more
doaj   +1 more source

From energy provision to protein synthesis: Tunnelling nanotubes as mediators of intercellular metabolic cooperation in cancer

open access: yesFEBS Open Bio, EarlyView.
The cytoskeleton‐mediated transport of mitochondria via tunnelling nanotubes restores respiration, increases ATP production, rescues cells from apoptosis, activates the AKT/mTOR signalling pathway, promotes cell migration and invasiveness, contributes to cancer progression and treatment resistance.
Stanislava Martínková, Jan Trnka
wiley   +1 more source

A novel and superior diagnostic test for feline leukemia virus: enhanced precision in rapid detecting viral antigen in blood, plasma and serum

open access: yesVirology Journal
Feline leukemia virus (FeLV) significantly impacts feline health worldwide. Although several FeLV antigen rapid tests are available, selecting an accurate diagnostic tool remains a clinical challenge. In this paper, we present a novel and robust point-of-
Paweł Pawelczak   +4 more
doaj   +1 more source

Emerging Sensor Platforms Allow for Seagrass Extent Mapping in a Turbid Estuary and from the Meadow to Ecosystem Scale

open access: yesRemote Sensing, 2021
Seagrass meadows are globally important habitats, protecting shorelines, providing nursery areas for fish, and sequestering carbon. However, both anthropogenic and natural environmental stressors have led to a worldwide reduction seagrass habitats.
Johannes R. Krause   +3 more
doaj   +1 more source

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